Current Sensors & Switches

Current Sensors & Switches monitor electrical flow to protect equipment and ensure safe operation in HVAC and electrical systems. These devices detect current levels and automatically switch circuits on or off when preset thresholds are reached. Jackson Systems stocks AC and DC current sensors in multiple amperage ranges – shop our complete selection today.

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Showing 193–240 of 441 resultsSorted by popularity

Low Differential Pressure Transducer, 0-2.5″wc, IP67, 0-5Vdc

Johnson Controls

SKU: DP1402X5U11F
$475.65
MSRP: $547.00
You save 15%
Johnson Controls DP1402X5U11F Low Differential Pressure Transducer, 0-2.5"wc quantity
Low Differential Pressure Transducer, 0-2.5″wc, 0-5Vdc, IP67

Johnson Controls

SKU: DP1402X5U11D
$197.15
MSRP: $226.72
You save 15%
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Low Differential Pressure Transducer, 0-2.5″wc, 0-5Vdc, IP67

Johnson Controls

SKU: DP1402X5U11C
$207.01
MSRP: $238.06
You save 15%
Johnson Controls DP1402X5U11C Low Differential Pressure Transducer, 0-2.5"wc quantity
Low Differential Pressure Transducer, 0-25″wc, 4-20mA, IP67

Johnson Controls

SKU: DP140025U21D
$207.01
MSRP: $238.06
You save 15%
Johnson Controls DP140025U21D Low Differential Pressure Transducer, 0-25"wc quantity
Low Differential Pressure Transducer, 0-5″wc, 4-20mA, IP67

Johnson Controls

SKU: DP140005U21D
$207.01
MSRP: $238.06
You save 15%
Johnson Controls DP140005U21D Low Differential Pressure Transducer, 0-5"wc quantity
Low Differential Pressure Transducer, 0-5″wc, 4-20mA, IP67

Johnson Controls

SKU: DP140005U21C
$207.01
MSRP: $238.06
You save 15%
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Low Differential Pressure Transducer, 0-5″wc, 0-5Vdc Output

Johnson Controls

SKU: DP140005U11D
$207.01
MSRP: $238.06
You save 15%
Johnson Controls DP140005U11D Low Differential Pressure Transducer, 0-5"wc quantity
Low Differential Pressure Transducer, 0-5″wc, 0-5Vdc, IP67

Johnson Controls

SKU: DP140005U11C
$131.13
MSRP: $150.80
You save 15%
Johnson Controls DP140005U11C Low Differential Pressure Transducer, 0-5"wc quantity
Pressure Transducer 0-100, 4-20mA Output w/ 3-Valve Manifold

Johnson Controls

SKU: DP110100U3V4V
$963.20
MSRP: $1,107.68
You save 15%
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Pressure Transducer, 0-50 PSID, 4-20mA Output, 3-Valve Manifold

Johnson Controls

SKU: DP110050U3V4V
$1,011.36
MSRP: $1,163.06
You save 15%
Johnson Controls DP110050U3V4V Pressure Transducer, 0-50 PSID, 4-20mA quantity
Self-Calibrating Solid-State Current Switch

Johnson Controls

SKU: CSDSC-S75050L
$87.56
MSRP: $100.69
You save 15%
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24V Normally Open 0.50–100A Current Switch

Johnson Controls

SKU: CSDSC-C50100L-1
$162.30
MSRP: $186.65
You save 15%
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Current Switch Device, 100A Capacity

Johnson Controls

SKU: CSDSC-C50100L0
$101.53
MSRP: $116.76
You save 15%
Johnson Controls CSDSC-C50100L0 Current Switch Device 100A quantity
Current Switch, 50A, Clamp Style

Johnson Controls

SKU: CSDSC-C45050L0
$99.74
MSRP: $114.70
You save 15%
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Solid Core Adjustable Current Switch with LED Display

Johnson Controls

SKU: CSD-SA1E1-1
$139.90
MSRP: $160.89
You save 15%
Johnson Controls CSD-SA1E1-1 Solid Core Adjustable Current Switch quantity
Current Switch Solid Core 50 Amp

Johnson Controls

SKU: CSDECM-S25050L
$64.11
MSRP: $73.73
You save 15%
Johnson Controls CSDECM-S25050L Current Switch Solid Core 50 Amp quantity
ECM Adjustable Current Switch, 0.25–3A Range

Johnson Controls

SKU: CSDECM-ADJ0
$104.85
MSRP: $120.58
You save 15%
Johnson Controls CSDECM-ADJ0 ECM Adjustable Current Switch 0.25–3A quantity
Current Switch, Clamp/Split Core, Fixed Setpoint, LED, N.O. Output

Johnson Controls

SKU: CSD-CF0A0-1
$86.83
MSRP: $99.85
You save 15%
Johnson Controls CSD-CF0A0-1 Current Switch, Clamp/Split Core, LED, N.O. quantity
Current Switch, Clamp/Split Core, Adjustable Setpoint, LED Display

Johnson Controls

SKU: CSD-CA1G1-1
$187.40
MSRP: $215.51
You save 15%
Johnson Controls CSD-CA1G1-1 Current Switch, Clamp/Split Core, Adjustable Setpoint quantity
CSDECM Current Switch for HVAC Motor Proof-of-Operation

Johnson Controls

SKU: CRCSDP-NO-24
$64.11
MSRP: $73.73
You save 15%
Johnson Controls CRCSDP-NO-24 CSDECM Current Switch quantity
Analog Input Isolator Module, 0–5V / Current Signal

Johnson Controls

SKU: AIM1
$226.88
MSRP: $260.91
You save 15%
Johnson Controls AIM1 Analog Input Isolator Module quantity
I/P Transducer, 4-20mA Input, 3-15 PSI Pneumatic Output

Honeywell Home

SKU: 500-AC
$746.63
MSRP: $858.62
You save 15%
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ICP Replacement Transducer, SKU 1203516

International Comfort Products

SKU: 1203516
$191.95
MSRP: $220.74
You save 15%
International Comfort Products 1203516 Transducer quantity
ICP Pressure Transducer, OEM Replacement Part

International Comfort Products

SKU: 1202607
$125.69
MSRP: $144.54
You save 15%
International Comfort Products 1202607 Pressure Transducer quantity
ICP Replacement Pressure Transducer, SKU 1188032

International Comfort Products

SKU: 1188032
$161.76
MSRP: $186.02
You save 15%
International Comfort Products 1188032 Pressure Transducer quantity
Differential Pressure Transmitter with LCD Display

Dwyer

SKU: MSX-U12-IN-LCD
$236.44
MSRP: $271.91
You save 15%
Dwyer MSX-U12-IN-LCD Differential Pressure Transmitter with LCD quantity
Differential Pressure Transducer, 0–0.25″ w.c. Range

Dwyer

SKU: DM-002
$184.69
MSRP: $212.39
You save 15%
Dwyer DM-002 Differential Pressure Transducer 0-0.25" w.c. quantity
Pressure Transducer 0–300 PSI, 1/4″ NPT, 9 ft Cable

Dwyer

SKU: 628-13-GH-P1-E3-S1
$166.56
MSRP: $191.54
You save 15%
Dwyer 628-13-GH-P1-E3-S1 Pressure Transducer 0–300 PSI 1/4" NPT 9 ft Cable quantity
Pressure Transmitter, 0-10″ WC Range

Dwyer

SKU: 616KX-200-108-IN
$123.66
MSRP: $142.21
You save 15%
Dwyer 616KX-200-108-IN Pressure Transmitter 0-10" WC quantity
High Output Variable Reluctance Sensor (VRS)

Honeywell Home

SKU: 3030AN
$267.46
MSRP: $307.58
You save 15%
Honeywell Sensing and Control 3030AN High Output VRS Sensor quantity
0-87 PSI 1/4″ NPT 4-20mA Pressure Transducer

Power Flame Burners

SKU: 054091
$537.94
MSRP: $827.82
You save 35%
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1.25-1.5A Adjustable SPST Relay & Current Sensor

Functional Devices

SKU: RIBXLSRA
$130.25
MSRP: $149.79
You save 15%
Functional Devices RIBXLSRA 1.25-1.5A Adj SPST Relay & Current Sensor quantity
10-30Vac/dc SPST Relay with Integral Current Sensor

Functional Devices

SKU: RIBXLSA
$137.29
MSRP: $157.88
You save 15%
Functional Devices RIBXLSA 10-30Vac/dc SPST Relay w/ Integral Current Sensor quantity
10-30VAC/DC SPDT Current Sensing Relay

Functional Devices

SKU: RIBXLCRA
$124.86
MSRP: $143.59
You save 15%
Functional Devices RIBXLCRA 10-30VAC/DC SPDT Current Sensor/Relay quantity
0.5/10A Current Sensor with SPDT Relay

Functional Devices

SKU: RIBXLCA
$100.90
MSRP: $116.04
You save 15%
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AC Current Transducer, 0-10Vdc Output, Multi-Range

Functional Devices

SKU: RIBXGTV10
$69.19
MSRP: $79.57
You save 15%
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Split-Core AC Current Sensor, 0.75–150A Sensing Range

Functional Devices

SKU: RIBXGTFL
$50.02
MSRP: $57.52
You save 15%
Functional Devices RIBXGTFL Split-Core AC Current Sensor, 0.75–150A quantity
Current Sensor, 120VAC

Functional Devices

SKU: RIBXGHF
$64.73
MSRP: $74.44
You save 15%
Functional Devices RIBXGHF Current Sensor 120VAC quantity
Split-Core AC Current Sensor, 0.75–150A Detection Range

Functional Devices

SKU: RIBXGA
$53.40
MSRP: $61.41
You save 15%
Functional Devices RIBXGA Split-Core AC Current Sensor, 0.75–150A quantity
AC Sensor, 120-277V, 0.75-150A Current Range

Functional Devices

SKU: RIBXG21TA
$92.16
MSRP: $105.98
You save 15%
Functional Devices RIBXG21TA AC Sensor 120-277V .75-150A quantity
Split Core Adjustable Current Sensor

Functional Devices

SKU: RIBXG21A
$101.83
MSRP: $117.10
You save 15%
Functional Devices RIBXG21A Split Core Adjustable Current Sensor quantity
24VAC/DC 0.5/20A SPDT Relay & Current Sensor in One

Functional Devices

SKU: RIBX24BF
$99.31
MSRP: $114.21
You save 15%
Functional Devices RIBX24BF 24VAC/DC 0.5/20A SPDT Relay & Sensor quantity
0.5/20A Current Sensor & 20A SPDT Relay

Functional Devices

SKU: RIBX24BA
$110.89
MSRP: $127.52
You save 15%
Functional Devices RIBX24BA 0.5/20A Current Sensor & 20A SPDT Relay quantity
Remote Current Sensor for HVAC Monitoring Applications

Functional Devices

SKU: AXKT
$33.22
MSRP: $38.20
You save 15%
Functional Devices AXKT Remote Current Sensor quantity
±0.1/0.25/0.5 In. W.C. Differential Pressure Transmitter, 4-20mA, LCD

Dwyer

SKU: MSX-W20-IN-LCD
$203.53
MSRP: $234.06
You save 15%
Dwyer MSX-W20-IN-LCD ±0.1/0.25/0.5 In. W.C. Differential Pressure Transmitter, 4-20mA, LCD quantity
MagnesenseDiff Pressure Transmitter, Wall Mount

Dwyer

SKU: MSX-W12-IN
$140.36
MSRP: $161.41
You save 15%
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4-20mA Differential Pressure Transmitter with LCD Display

Dwyer

SKU: MSX-W10-IN-LCD
$203.53
MSRP: $234.06
You save 15%
Dwyer MSX-W10-IN-LCD 4-20mA Differential Pressure Transmitter with LCD quantity
Current to Pressure Transducer, 4-20 mA Input, 3-15 PSI Output

Dwyer

SKU: IP-42
$785.54
MSRP: $903.37
You save 15%
Dwyer IP-42 Current to Pressure Transducer, 4-20 mA Input, 3-15 PSI Output quantity